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Re: 86 Jeep v6 (2.8)
Hi labattcomsumer. I just read your post about you engine problems and I sympathise with your situation.
If the engine you put in was a complete rebuild with heads already installed, I am not sure why you would need to adjust the valves.
New valve lifters do not lend themselves to adjustment very well after the engine has been pressured up like it might have depending on the rebuilders quality test methods.
From what you say about back firing, it sounds like you are getting fuel and spark but the valves are being held open.
I would suggest that you back off the valve adjustment a ¼ turn at a time on all the valves until the engine runs. My personal preference is to use a 1 turn adjustment for the lifters and let the expansion of the parts take care of the remaining ½ turn to position the plunger in the lifter but either way, right now the valves would seem to be held open – hence no compression.
Since you are on line now I will post this in the thread you started and also email it to you..
Don’t hesitate to email me back with any questions.
JD
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